The performance package for the BMW F-series consists of the intercooler upgrade kit, the N20 downpipe kit without catalyst and fits the following vehicles. BMW 125i F20 / F21 BMW 220i F22 / F23 BMW 228i (x) F22 / F23 BMW 320i (x) F30 / F31 / F34 BMW 328i (x) F30 / F31 / F34 BMW 420i (x) F32 / F36 BMW 428i (x) F32 / F36 Intercooler Upgrade Kit 200001066 The high-performance intercooler has the following dimensions (520mm x215mm x145mm /stepped 13.840cm³ / Stock IC 510mm x130mm x110mm, 7.293cm³) Approx. 85% bigger surface and 90% more volume over Stock Intercooler. The competition core provides excellent cooling properties. Weight (11,5kg). The end tanks of the intercooler are made of cast aluminium and have been optimised with the help of flow analysis in the CAD system. Plug & Play Installation using the stock plumbing, no cutting or bumper removal required. Packing List: 1 Intercooler 1 Mounting material 1 Installation instruction The Downpipe-Kit for the BMW N20 engine 500001016 direct replacement for OEM BMW Part# 18327645666 made out of high quality stainless steel 1.4301 (SS304) 100% perfect fit, replace OEM less thermal load on the turbocharger more power by reducing back pressure significantly more torque without Catalytic Converter connection diameter 105mm